1// SPDX-License-Identifier: LGPL-2.1
2#include <sys/types.h>
3#include <sys/socket.h>
4
5#ifndef MSG_PROBE
6#define MSG_PROBE		     0x10
7#endif
8#ifndef MSG_WAITFORONE
9#define MSG_WAITFORONE		   0x10000
10#endif
11#ifndef MSG_BATCH
12#define MSG_BATCH		   0x40000
13#endif
14#ifndef MSG_ZEROCOPY
15#define MSG_ZEROCOPY		 0x4000000
16#endif
17#ifndef MSG_SPLICE_PAGES
18#define MSG_SPLICE_PAGES	0x8000000
19#endif
20#ifndef MSG_FASTOPEN
21#define MSG_FASTOPEN		0x20000000
22#endif
23#ifndef MSG_CMSG_CLOEXEC
24# define MSG_CMSG_CLOEXEC	0x40000000
25#endif
26
27static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size,
28					       struct syscall_arg *arg)
29{
30	bool show_prefix = arg->show_string_prefix;
31	const char *prefix = "MSG_";
32	int printed = 0, flags = arg->val;
33
34	if (flags == 0)
35		return scnprintf(bf, size, "NONE");
36#define	P_MSG_FLAG(n) \
37	if (flags & MSG_##n) { \
38		printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \
39		flags &= ~MSG_##n; \
40	}
41
42	P_MSG_FLAG(OOB);
43	P_MSG_FLAG(PEEK);
44	P_MSG_FLAG(DONTROUTE);
45	P_MSG_FLAG(CTRUNC);
46	P_MSG_FLAG(PROBE);
47	P_MSG_FLAG(TRUNC);
48	P_MSG_FLAG(DONTWAIT);
49	P_MSG_FLAG(EOR);
50	P_MSG_FLAG(WAITALL);
51	P_MSG_FLAG(FIN);
52	P_MSG_FLAG(SYN);
53	P_MSG_FLAG(CONFIRM);
54	P_MSG_FLAG(RST);
55	P_MSG_FLAG(ERRQUEUE);
56	P_MSG_FLAG(NOSIGNAL);
57	P_MSG_FLAG(MORE);
58	P_MSG_FLAG(WAITFORONE);
59	P_MSG_FLAG(BATCH);
60	P_MSG_FLAG(ZEROCOPY);
61	P_MSG_FLAG(SPLICE_PAGES);
62	P_MSG_FLAG(FASTOPEN);
63	P_MSG_FLAG(CMSG_CLOEXEC);
64#undef P_MSG_FLAG
65
66	if (flags)
67		printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
68
69	return printed;
70}
71
72#define SCA_MSG_FLAGS syscall_arg__scnprintf_msg_flags
73